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30278055027553 = 238231159936481
BaseRepresentation
bin1101110001001101010001…
…01101101110001101100001
310222012112221201021200100221
412320212220231232031201
512432033424041340203
6144221314011243041
76243342300210214
oct670465055561541
9128175851250327
1030278055027553
11971393a796793
12349010b449481
1313b8292944758
14769673b9377b
15377905ac8abd
hex1b89a8b6e361

30278055027553 has 8 divisors (see below), whose sum is σ = 31598330875776. Its totient is φ = 28958099068800.

The previous prime is 30278055027523. The next prime is 30278055027581. The reversal of 30278055027553 is 35572055087203.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 30278055027553 - 237 = 30140616074081 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 30278055027553.

It is not an unprimeable number, because it can be changed into a prime (30278055027523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 79778928 + ... + 80157553.

It is an arithmetic number, because the mean of its divisors is an integer number (3949791359472).

Almost surely, 230278055027553 is an apocalyptic number.

It is an amenable number.

30278055027553 is a deficient number, since it is larger than the sum of its proper divisors (1320275848223).

30278055027553 is a wasteful number, since it uses less digits than its factorization.

30278055027553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159944735.

The product of its (nonzero) digits is 8820000, while the sum is 52.

The spelling of 30278055027553 in words is "thirty trillion, two hundred seventy-eight billion, fifty-five million, twenty-seven thousand, five hundred fifty-three".

Divisors: 1 23 8231 189313 159936481 3678539063 1316437175111 30278055027553